Register Now Don't let your New Mexico Concealed Carry License become invalid - complete the required 2-year refresher or 4-year renewal course. 2-year refresher courses are 2 hours and must be completed 22 to 24 months after your NM CCL was issued. Students are required to submit their certificate of completion of a 2-year refresher course to the NM DPS within the above time frame. 4-year renewal courses are 4 hours and must be completed (and renewal application submitted) no…